Electronic cigarettes and cartridges

Abstract

The present disclosure generally relates to the field of aerosol generation devices, and more particularly to electronic cigarettes configured to generation of aerosols from aqueous formulations of nicotine or cannabis products. The present disclosure further provides aqueous cannabinoid compositions for use in the aerosol generation devices.

1 . An electronic cigarette cartridge comprising:
 a housing;   an atomizing assembly comprising:
 an evaporation heater configured to generate heat and to evaporate a liquid from a surface thereof; and 
 a liquid drawing element in fluid communication with the evaporation heater; 
   a liquid reservoir, and   a liquid deposition mechanism, configured to intermittently transition between a first state, in which the liquid reservoir is in fluid isolation from the liquid drawing element, and a second state, in which the liquid reservoir is in fluid communication with the liquid drawing element,   
       wherein each of the atomizing assembly, the liquid reservoir and the liquid deposition mechanism is disposed within the housing. 
     
     
         2 . The electronic cigarette cartridge of  claim 1 , wherein the liquid drawing element is stationary. 
     
     
         3 . The electronic cigarette cartridge of  claim 1 , wherein the liquid deposition mechanism is the only moving part in the electronic cigarette cartridge. 
     
     
         4 . The electronic cigarette cartridge of  claim 1 , wherein the liquid deposition mechanism is configured to intermittently transition between the first state and the second state in frequency in the range of 1 Hz to 100 Hz, and wherein the liquid deposition mechanism is configured to intermittently transition between the first state and the second state to provide a duty cycle in the range of 10% to 50%. 
     
     
         5 . (canceled) 
     
     
         6 . The electronic cigarette cartridge of  claim 1 , wherein the evaporation heater has a porous structure and is at least partially permeable to fluids and comprises a metal, a metal alloy or a combination thereof. 
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . The electronic cigarette of  claim 1 , wherein the liquid drawing element is a stationary wick. 
     
     
         10 . The electronic cigarette of  claim 1 , wherein the liquid reservoir contains an aqueous composition. 
     
     
         11 . The electronic cigarette of  claim 10 , wherein the evaporation heater is configured to generate heat and to evaporate water from a surface thereof. 
     
     
         12 . The electronic cigarette of  claim 10 , wherein the aqueous composition comprises nicotine, at least one cannabinoid or both. 
     
     
         13 . The electronic cigarette of  claim 10 , wherein the liquid deposition mechanism is configured to intermittently transition between a first state, in which the aqueous composition is not flowing from the liquid reservoir to the liquid drawing element, and a second state, in which the aqueous composition is flowing from the liquid reservoir through the liquid drawing element to contact the evaporation heater and be evaporated from the surface thereof. 
     
     
         14 . The electronic cigarette cartridge of  claim 1 , further comprising a porous body, which is in contact and in fluid communication with each one of the liquid drawing element and the evaporation heater. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . The electronic cigarette cartridge of  claim 14 , wherein the housing extends longitudinally between a first end and a second end, wherein the electronic cigarette cartridge comprises an aerosol outlet at the housing first end, wherein the housing comprises at least one wall extending longitudinally between the housing first end and the housing second end, wherein each one of the porous body, evaporation heater and liquid drawing element is flat and has an internal face and an external face, each of which is facing and extending longitudinally substantially in parallel to the at least one housing wall, wherein the evaporation heater is configured to generate heat and to evaporate a liquid from the internal face thereof, wherein the external evaporation heater face is in contact with the internal porous body face, wherein the external porous body face is in contact with the internal liquid drawing element face, wherein in the second state the liquid reservoir is in fluid communication with at least the external liquid drawing element face. 
     
     
         18 . (canceled) 
     
     
         19 . (canceled) 
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . The electronic cigarette cartridge of  claim 17 , wherein the atomizing assembly further comprises a separating wall, surrounding the liquid drawing element, wherein the separating wall defines at least one fluid inlet hole configured to allow fluid communication between the liquid drawing element and an internal portion of the housing therethrough. 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . (canceled) 
     
     
         29 . The electronic cigarette cartridge of  claim 1 , wherein the liquid reservoir is movable between a first position and a second position, and wherein the liquid deposition mechanism comprises a biasing element configured to intermittently dislocate the liquid reservoir between the first position in the first state and the second position in the second state, wherein the liquid reservoir is in fluid isolation from the liquid drawing element during the first state and in fluid communication therewith during the second state. 
     
     
         30 . The electronic cigarette cartridge of  claim 29 , wherein the liquid drawing element is stationary, wherein the liquid deposition mechanism further comprises a mobile liquid drawing element, wherein a portion of the mobile liquid drawing element is inside the liquid reservoir, wherein when the liquid reservoir is in the first position the stationary liquid drawing element and the mobile liquid drawing element are spaced apart, and wherein when the liquid reservoir is in the second position the stationary liquid drawing element and the mobile liquid drawing element are in contact, to enable the fluid communication there between in the second state. 
     
     
         31 . The electronic cigarette cartridge of  claim 29 , wherein the biasing element comprises an actuator configured to intermittently dislocate the liquid reservoir between the first position and the second position, wherein the actuator is selected from a conveyer assembly and a solenoid assembly, wherein the conveyer assembly comprises a conveyer, a track and a conveyer motor, and wherein the solenoid assembly comprises a solenoid motor, a connecting rod and a solenoid plunger head. 
     
     
         32 . (canceled) 
     
     
         33 . (canceled) 
     
     
         34 . (canceled) 
     
     
         35 . (canceled) 
     
     
         36 . (canceled) 
     
     
         37 . The electronic cigarette cartridge of  claim 1 , wherein the liquid drawing element is stationary, wherein the liquid deposition mechanism comprises a mobile liquid drawing element and a biasing element configured to intermittently dislocate the mobile liquid drawing element between a first position in the first state and a second position in the second state. 
     
     
         38 . The electronic cigarette cartridge of  claim 37 , wherein the liquid deposition mechanism further comprises a reservoir-coupled liquid drawing element, wherein a portion thereof is positioned inside the liquid reservoir, wherein when the mobile liquid drawing element is in the first position the mobile liquid drawing element is spaced apart from the stationary liquid drawing element and in contact with the reservoir-coupled liquid drawing element, and wherein when the mobile liquid drawing element is in the second position the stationary liquid drawing element and the mobile liquid drawing element are in contact, to enable the fluid communication there between in the second state. 
     
     
         39 . The electronic cigarette cartridge of  claim 37 , wherein the biasing element comprises an actuator configured to intermittently dislocate the mobile liquid drawing element between the first position and the second position, wherein the actuator is selected from a conveyer assembly and a solenoid assembly, wherein the conveyer assembly comprises a conveyer, a track and a conveyer motor, and wherein the solenoid assembly comprises a solenoid motor, a connecting rod and a solenoid plunger head. 
     
     
         40 . (canceled) 
     
     
         41 . (canceled) 
     
     
         42 . (canceled) 
     
     
         43 . The electronic cigarette cartridge of  claim 22 , wherein the separating wall has an internal face contacting the external liquid drawing element face and an external face, wherein the separating wall defines a wall of the liquid reservoir, wherein upon the liquid reservoir containing a liquid, the liquid is in contact with the separating wall external face, wherein the liquid deposition mechanism comprises a biasing element configured to intermittently allow passage of liquids through the fluid inlet hole in the second state and to prevent passage of liquids through the fluid inlet hole in the first state, wherein the biasing element is a controllable valve, configured to intermittently allow passage of liquids through the fluid inlet hole in the second state and to block passage of liquids through the fluid inlet hole in the first state. 
     
     
         44 . (canceled) 
     
     
         45 . (canceled) 
     
     
         46 . (canceled) 
     
     
         47 . (canceled) 
     
     
         48 . (canceled) 
     
     
         49 . (canceled) 
     
     
         50 . (canceled)